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工程机械使用过程中,由于油路堵塞,油压表自身损坏等原因,经常会造成油压表没有读数或读数不准的现象,这种情况在没有检测设备时,往往难以判断故障部位,不知道是系统管路有故障还是油压表自身有故障,在日常维修时大多用“换件修理法”予以换件。
Construction machinery in use, due to blocked oil, hydraulic gauge damage itself and other reasons, often result in readings or readings are not allowed in the hydraulic gauge phenomenon, this situation in the absence of testing equipment, it is often difficult to determine the fault location, not Know that there is a fault in the system piping or hydraulic gauge itself is faulty, most of the routine maintenance with “change repair law” to be changed.